Parts · Transistors

2SK184

Si N-ch JFET TO-92 TH.9 circuits use this part.

Substitutes N-channel JFET

Matched on material, polarity and the limits below from the transistor parameter database. Pinouts and packages are not in that data: check the datasheet before you drop one in, and expect gain to change the sound.

This part

Part	Vgs max	Id max	Vds	Pd
2SK184		14 mA	50 V	0.2 W

Used on other boards here

Part	Vgs max	Id max	Vds	Pd	Boards
2SK117		14 mA	50 V	0.3 W	42
2SK246		14 mA	50 V	0.3 W	9
NTE458		20 mA	50 V	0.25 W	2
PF5102	1.6 V	20 mA	40 V	0.625 W	40
2SK170		20 mA	40 V	0.2 W	10
2SK118		6.5 mA	50 V	0.1 W	19
2SK208		6.5 mA	50 V	0.1 W	1
J202	4 V	4.5 mA	40 V	0.625 W	9

Closest by the numbers

Part	Vgs max	Id max	Vds	Pd
2SK209		14 mA	50 V	0.15 W
2SK2145		14 mA	50 V	0.3 W
2SK880BL		14 mA	50 V	0.1 W
2SK330		14 mA	50 V	0.2 W
2N3824	50 V	12 mA	50 V	0.3 W
2SK362		14 mA	50 V	0.3 W
2SK365		14 mA	50 V	0.2 W
2N3821	2 V	10 mA	50 V	0.3 W

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Boss MD-2 Mega Distortion Vero22×29 Verified 2SK184 · LOW GAIN NPN SILICON · LOW GAIN PNP SILICON · TL072 Boss MD-2 Mega Distortion	Boss MD-2 Mega Distortion	Distortion	Dirtbox Layouts	—	5	—	47
BOSS FZ-2 2SA1335 · 2SC2458 · 2SC3378 · 2SK118 Boss FZ-2	Boss FZ-2	Fuzz	Experimentalists Anonymous	—	4	—	65
BOSS MT2 2SC3378 · 2SC945 · 2SK118 · 2SK184 Boss MT2	Boss MT2	Distortion	Experimentalists Anonymous	—	6	—	52
BOSS PW-2 2SA1048 · 2SC2458 · 2SK118 · 2SK184 Boss PW-2	Boss PW-2	Other	Experimentalists Anonymous	—	4	—	49
Boss MD-2 2SA1048 · 2SC2458 · 2SK118 · 2SK184 Boss MD-2	Boss MD-2	Distortion	Experimentalists Anonymous	—	—	—	47
Boss TR-2 2SA1048GR · 2SC2458GR · 2SK118Y · 2SK184 Boss TR-2	Boss TR-2	Tremolo	Experimentalists Anonymous	—	3	—	90
Hype-R-Fuzz 2SA1335GR · 2SC2458GR · 2SC3378GR · 2SK184 Boss FZ-2 Hyper Fuzz · 1590B	Boss FZ-2 Hyper Fuzz	Fuzz	Griffin Effects	1590B	2	$12.00 out	53
Boss DS-2 Turbo Distortion 2SA1048 · 2SA1335 · 2SC2458 · 2SC3378 Boss DS-2	Boss DS-2	Distortion	Revolution Deux	—	3	—	161
Boss FZ-2 Hyper Fuzz 2SA1335 · 2SC2458 · 2SC3378 · 2SK118 Boss FZ-2 Hyper Fuzz	Boss FZ-2 Hyper Fuzz	Fuzz	Revolution Deux	—	4	—	133